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特殊時鐘模擬
Author:
鍾元杰
Topic:
Circle
GeoGebra
New Resources
兩位數加法
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
Discover Resources
小四平面圖形學習單
正四面體
gmj106a13 八角錐
Simultaneous Equations (Linear and quadratic)
三角函数诱导公式的副本
Discover Topics
Pyramid
Sphere
Distributions
Median Line
Differential Equation